package servlet;

import pojo.Book;
import pojo.Category;
import service.BookService;
import service.impl.BookServiceImpl;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

/**
 * @author 李主席
 * @create 2020-11-04 12:00
 */
public class AddOneBook extends HttpServlet {

    private BookService bookService = new BookServiceImpl();


    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

        req.setCharacterEncoding("UTF-8");
        resp.setContentType("text/html");
        resp.setCharacterEncoding("UTF-8");

        Integer publisherId = Integer.parseInt(req.getParameter("publisher"));
        String[] categories = req.getParameterValues("category");
        //将分类id转换为分类对象列表
        List<Category> list = new ArrayList<>();
        for (String c : categories) {
            Category category = new Category();
            category.setCategoryId(Integer.parseInt(c));

            list.add(category);
        }
        Book book = new Book();
        book.setBookName(req.getParameter("bookName"));
        book.setImage(req.getParameter("image"));
        book.setPublisherId(publisherId);
        book.setCategories(list);
        Integer bookid = bookService.addOneBook(book);
        if (bookService.addOneBook(book) > 0) {
            req.setAttribute("message", "新增成功");
        } else {
            req.setAttribute("message", "新增失败");
        }
        req.getRequestDispatcher("/get_message.jsp").forward(req, resp);
    }


    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doGet(req, resp);
    }
}
